40 CFR Part 142
NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION
June 9, 2020
Subpart
A
General Provisions
Subpart
B
Primary Enforcement Responsibility
Subpart
C
Review of State-Issued Variances and Exemptions
Subpart
D
Federal Enforcement
Subpart
E
Variances Issued by the Administrator Under Section 1415(a) of the Act
Subpart
F
Exemptions Issued by the Administrator
Subpart
G
Identification of Best Technology, Treatment Techniques or Other Means Generally Available
Subpart
J
[Reserved]
Subpart
K
Variances for Small System
Subpart
H
Indian Tribes
Subpart
I
Administrator's Review of State Decisions that Implement Criteria Under Which Filtration Is Required